1-1-4MEDIUM

View detailed technical data, stock status, and sourcing information for: 1-1-4MEDIUM
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-013-1035

Item Name Code

14218

Assigment Date

01/01/1963 (63 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

2.045 inches maximum outside diameter, 0.312 inches minimum and 0.332 inches maximum material thickness, 1.271 inches minimum and 1.302 inches maximum hole diameter, steel corrosion resisting overall material, 45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 1.271 inches minimum and 1.302 inches maximum
Outside Diameter: 2.045 inches maximum
Material Thickness: 0.312 inches minimum and 0.332 inches maximum
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum
Material: steel corrosion resisting overall
Style Designator: split helical-right hand
Nondefinitive Spec/Std Data: 2 style and a class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-209-0958	No Name Available	01/01/1963

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
1-1-4MEDIUM	Lock Washer
11FM1A1-1-4	Lock Washer
131035	Lock Washer
8X4-1-1-4	Lock Washer
MS35338-17	Lock Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-013-1035?

The FSCG of the NSN 5310-00-013-1035 is 5310

Does the NSN 5310-00-013-1035 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-013-1035 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-00-013-1035 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-013-1035 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-00-013-1035 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963